This study was conducted in a southeastern town in Iran, and it is one of the first of its kind conducted in Iran. Numerous studies have examined nurses’ organizational commitment in Iran, but not the relationship between ethical climate and organizational commitment. This investigation examines the types of ethical climates existing in hospitals and their relationship to organizational commitment among nurses in teaching hospitals in the southeastern region of Iran; subsequently, this study prompted a question: What is the relationship between nurses' perception of ethical climate and organizational. Commitment?